[jhbuild] core-deps-3.22: use the glibmm-2-50 branch of glibmm

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 7ebd156075111a5a0b84696c09e42f77c8d1bcf8
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Feb 26 18:13:58 2017 +0200

    core-deps-3.22: use the glibmm-2-50 branch of glibmm

 modulesets/gnome-suites-core-deps-3.22.modules |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/modulesets/gnome-suites-core-deps-3.22.modules b/modulesets/gnome-suites-core-deps-3.22.modules
index e3c5658..d3dc58a 100644
--- a/modulesets/gnome-suites-core-deps-3.22.modules
+++ b/modulesets/gnome-suites-core-deps-3.22.modules
@@ -492,7 +492,7 @@
   </autotools>
 
   <autotools id="glibmm" supports-non-srcdir-builds="no">
-    <branch/>
+    <branch revision="glibmm-2-50"/>
     <dependencies>
       <dep package="glib"/>
       <dep package="libsigcplusplus"/>